Contrasting forms of synaptic plasticity in monkey inferotemporal and primary visual cortices

Neuroreport
Y MurayamaM Kato

Abstract

Activity-dependent synaptic plasticity was examined in vivo in two cortical areas of the adult monkey visual system, the primary visual and inferotemporal cortex, the first and late cortical stages essential for object recognition. Discontinuous high-frequency electrical stimulation of intrinsic horizontal connections in layer 2/3 caused contrasting forms of synaptic plasticity in the two areas. In the inferotemporal cortex, long-term potentiation of extracellular field potentials in layer 2/3 was induced, whereas in the same pathway of V1, identical stimulation protocol elicited long-term depression. The results indicate that susceptibility to synaptic plasticity varies among cortical areas in the monkey brain.

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Citations

Sep 24, 2005·Experimental Brain Research·Guy N ElstonPaul Manger
Sep 17, 2009·Experimental Brain Research·Ralph Leonhardt, Hubert R Dinse
Dec 17, 2008·Cerebral Cortex·Toru TakahataTetsuo Yamamori
May 9, 2008·Journal of Neurophysiology·Keisuke Kawasaki, David L Sheinberg
Mar 12, 2016·Cerebral Cortex·Joshua P GilmanJennifer I Luebke
Aug 16, 2005·The Anatomical Record. Part A, Discoveries in Molecular, Cellular, and Evolutionary Biology·Guy N ElstonJavier Defelipe
Mar 21, 2006·Neuroscience Research·Tetsuo Yamamori, Kathleen S Rockland
Jul 19, 2005·Neuroscience Research·Noritaka Ichinohe, Kathleen S Rockland
Jun 27, 2017·Frontiers in Computational Neuroscience·Nicolangelo Iannella, Thomas Launey
Oct 7, 2017·Frontiers in Human Neuroscience·Gert R J ChristoffersenIda Viemose

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